背景動画
「muted」属性有り

Author: davide quatela
Author webpage: http://davidequatela.de/
Licence: ATTRIBUTION LICENSE 3.0 (http://creativecommons.org/
licenses/by/3.0/us/)
Downloaded at Mazwai.com

背景動画
「muted」属性無し

Author: davide quatela
Author webpage: http://davidequatela.de/
Licence: ATTRIBUTION LICENSE 3.0 (http://creativecommons.org/
licenses/by/3.0/us/)
Downloaded at Mazwai.com